Four methods for propagation of Toona sinensis seed propagation should pay attention to the emergence of root rot
Seed reproduction: sowing it. Soak the seeds in 20 to 30 degrees warm water for about 12 hours, then rinse the seeds with clean water and put them in a bag to germinate. The temperature for sprouting is about 25 degrees. After the seeds have germinated, you can sow the seeds, preferably between April and May, and in autumn and winter, friends in need can also transplant, and pay attention to the emergence of root rot during reproduction.
Ramet propagation: this method requires trenching around the crown, cutting off roots about 1 cm in diameter and then stimulating the growth of plant roots and buds. Be careful not to destroy the larger root system when cutting off the root. After cutting the root, you can cover the soil, and you also need to add some mature organic fertilizer to help the growth and development of root buds and plants. This method can produce about 2 to 3 shoots a year.
Root cuttings: remove the roots 0.5 to 1 cm in diameter and cut the cuttings that grow between 10 and 15 cm. Cut the relatively thick side flat and face up, while the thinner side needs to be cut diagonally down. Before cuttings, you need to dilute 1000 times with 0.4% butyric acid solution and soak for half an hour. After soaking, you should insert the cuttings deeply into the sand bed. At this time, the temperature should be 25 to 30 degrees, and the humidity should be 75 to 80 percent.
Cutting propagation: this method of propagation is best carried out from April to June, pruning the semi-lignified paper produced in the same year about 15 cm earlier, cutting the branches in a sand bed, and soaking the cuttings in 1000 times diluted 0.4% butyric acid solution for an hour or half an hour before cutting.
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